From 052d21a8c1f07f35ee29ab511f2492a5d6faa15e Mon Sep 17 00:00:00 2001
From: Nicholas Hayes <0xC0000054@users.noreply.github.com>
Date: Tue, 19 Jul 2022 02:20:19 -0600
Subject: [PATCH] Allow the double buffering to be disabled

---
 .../src/System/Windows/Forms/TreeView.cs             | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/src/System.Windows.Forms/src/System/Windows/Forms/TreeView.cs b/src/System.Windows.Forms/src/System/Windows/Forms/TreeView.cs
index 198a8adaa24..efdad931e3d 100644
--- a/src/System.Windows.Forms/src/System/Windows/Forms/TreeView.cs
+++ b/src/System.Windows.Forms/src/System/Windows/Forms/TreeView.cs
@@ -2082,17 +2082,7 @@ private void UpdateTreeViewExtendedStyles()
                 return;
             }
 
-            TVS_EX extendedStyles = 0;
-
-            if (DoubleBuffered)
-            {
-                extendedStyles |= TVS_EX.DOUBLEBUFFER;
-            }
-
-            if (extendedStyles != 0)
-            {
-                User32.SendMessageW(this, (User32.WM)TVM.SETEXTENDEDSTYLE, (int)extendedStyles, (int)extendedStyles);
-            }
+            User32.SendMessageW(this, (User32.WM)TVM.SETEXTENDEDSTYLE, (nint)TVS_EX.DOUBLEBUFFER, (nint)(DoubleBuffered ? TVS_EX.DOUBLEBUFFER : 0));
         }
 
         // Replace the native control's ImageList with our current stateImageList